Display screen or portion thereof with digital visual code graphical user interface



The FIGURE is a front view of a display screen or portion thereof with digital visual code graphical user interface showing our new design.

The broken lines showing a display screen or portion thereof and the remainder of the graphical user interface represent environment and form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with digital visual code graphical user interface, as shown and described. 